indexo.dev

zert-ng.de

.de crawl

First seen 2026-04-26 · Last seen 2026-05-19 · ok HTTP/1.1 200 946 ms crawled 2026-05-19

DE · 167.235.169.174 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

sector other type homepage

HTML metadata

Title
Startseite - ZERT Nachhaltige Gebäude
Language
de
Generator
TYPO3 CMS
Canonical
https://www.zert-ng.de/index.html

Technology

Server
nginx
jQuery
3.6.0

Registration

Updated
2023-12-11
Name servers
  • nsa8.schlundtech.de.
  • nsb8.schlundtech.de.
  • nsc8.schlundtech.de.
  • nsd8.schlundtech.de.

DNS records live

NS
  • nsa8.schlundtech.de
  • nsb8.schlundtech.de
  • nsc8.schlundtech.de
  • nsd8.schlundtech.de
MX
  • 10 mail.zert-ng.de

Email authentication partial

SPF
v=spf1 ip4:167.235.169.174 ip6:2a01:4f8:2220:1c93::2 a:mail.zert-ng.de a:webhosting.cokuna.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuScPh0mdtLuhqPX1AIUqqdtpPntbnOfX2Bfj52bKQ3SLOhYP1SoJaMCqgmtSvc7BpZjv7mOcT+KDR1CfOafeJ…
selectors probed

Certificate (current)

R13
from 2026-05-19 to 2026-08-17
Expires in 89 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.zert-ng.de/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (1)

Linked from (1)